NTSB CAROL · Event
Event ERA12LA494
Aircraft involved
Probable cause & findings
Inadequate maintenance servicing and inspection of the nose landing gear, which resulted in the failure of the nose landing gear to lock and its subsequent collapse during landing.
Factual narrative
On August 1, 2012, about 1715 eastern daylight time, a Piper PA-44-180, N740FT, operated by Space Coast Aviation, was substantially damaged when the nose landing gear collapsed during landing at the Space Coast Regional Airport (TIX), Titusville, Florida. The flight instructor, a private pilot, and a passenger were not injured. Visual meteorological conditions prevailed and no flight plan had been filed for the flight that departed Merritt Island Airport (COI), Merritt Island, Florida. The instructional flight was conducted under the provisions of 14 Code of Federal Regulations Part 91. According to the flight instructor, the airplane had various landing gear issues during the week prior to the accident, which included a faulty nose gear indicator light the day prior. While practicing instrument landing system approaches at TIX, the nose gear indicator light did not indicate down and locked; however, the flight instructor observed that the nose gear was extended. He cycled the landing gear without any changes to the nose gear indicator light and subsequently attempted to land on runway 36. The airplane initially touched down on the main landing gear; however, as the nose landing gear touched down, it began to collapse. The airplane came to rest about 2,500 feet from the approach end of the runway, and sustained substantial damage to the fuselage around the nose gear. Postaccident examination of the airplane by a Federal Aviation Administration inspector revealed that the nose landing gear eccentric bushing, which engaged the downlock hook was out-of-adjustment. In addition, a check of the hydraulic system fluid reservoir dipstick revealed that the fluid level was below an amount that could be observed on the dipstick. After the hydraulic system fluid reservoir was properly serviced and the eccentric bushing adjusted, the landing gear functioned normally. According to company maintenance records, the airplane had been operated for about 10 hours since its most recent 100 hour inspection, which was performed on July 20, 2012. In addition, the accident flight was the airplane's first flight after it was released from maintenance which included a landing gear inspection and operational check. The flight instructor was conducting practice instrument landing system approaches during an instructional flight when he observed that the nose landing gear indicator light did not indicate down and locked. He observed that the nose gear was extended and he cycled the landing gear without any changes to the nose gear indicator light. During a subsequent landing attempt, the airplane initially touched down on the main landing gear; however, as the nose landing gear touched down, it began to collapse. The airplane came to rest about 2,500 feet from the approach end of the runway, and sustained substantial damage to the fuselage around the nose gear. Postaccident examination of the airplane revealed that the nose landing gear eccentric bushing, which engaged the downlock hook, was out of adjustment. In addition, a check of the hydraulic system fluid reservoir dipstick revealed that the fluid level was below the amount that could be observed on the dipstick. After the hydraulic system fluid reservoir was properly serviced and the eccentric bushing adjusted, the landing gear functioned normally. The airplane had been operated for about 10 hours since its most recent 100-hour inspection, which was performed about 12 days earlier. The accident flight was the airplane's first flight after it was released from maintenance, which included a landing gear inspection and operational check. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- C Personnel issues-Task performance-Maintenance-(general)-Maintenance personnel - C
- C Aircraft-Aircraft systems-Landing gear system-Nose/tail landing gear-Inadequate inspection - C
- C Aircraft-Fluids/misc hardware-Fluids-Fuel-Not serviced/maintained - C
Verbatim from NTSB's published report. Source file
NTSB_2012_ERA12LA494.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (icing, maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2023 · Faculty research project
Reconfigurable Guidance and Control Systems for Emerging On-Orbit Servicing, Assembly, and Manufacturing (OSAM) Space Vehicles
Dynamic response to emergent situations is a necessity in the on-orbit servicing, assembly, and manufacturing (OSAM) field, because traditional on-orbit guidance and control (G&C) cannot respond effic…
- Embry-Riddle Scholarly Commons 2019 · Journal article (IJAAA)
Satellite Maintenance: An Opportunity to Minimize the Kessler Effect
Recently, there has been an emphasis on the growing problem of orbital debris. While the advantages of placing satellites into space are numerous, advances in satellite technology combined with the gr…
- Embry-Riddle Scholarly Commons 2015 · Conference paper
The Implementation of Safety Management Systems in Maintenance Operations
Literature for Safety Management Systems (SMS) that apply to flight operations is abundant, but there is a limited supply of SMS-related literature for maintenance operations.
- Embry-Riddle Scholarly Commons 2026 · Journal article (IJAAA)
From Reactive to Predictive: A hybrid Trust-Mediated Adoption Framework for Data-Driven Maintenance in Distributed-Authority Aviation Environments
Modern aviation maintenance operates within increasingly data-intensive technological environments, yet the operational integration of predictive maintenance into routine decision-making remains incon…
- NASA NTRS 2026 · Contractor Report (CR)
Icing Physics Studies Using the 3D SIDRM Test Article: 2023 Icing Tests Analysis
In-flight icing is an important safety issue and is a factor that affects aircraft design and performance. Newer regulations are driving a need for improvements in airframe and engine icing simulation…
- arXiv 2025 · arXiv preprint
Multi-Agent Deep Reinforcement Learning for UAV-Assisted 5G Network Slicing: A Comparative Study of MAPPO, MADDPG, and MADQN
The growing demand for robust, scalable wireless networks in the 5G-and-beyond era has led to the deployment of Unmanned Aerial Vehicles (UAVs) as mobile base stations to enhance coverage in dense urb…
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